874193487 has 16 divisors (see below), whose sum is σ = 1238377440. Its totient is φ = 547489152.

The previous prime is 874193471. The next prime is 874193497. The reversal of 874193487 is 784391478.

It is not a de Polignac number, because 874193487 - 2⁴ = 874193471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874193447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132568 + ... + 139005.

It is an arithmetic number, because the mean of its divisors is an integer number (77398590).

Almost surely, 2^874193487 is an apocalyptic number.

874193487 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

874193487 is a deficient number, since it is larger than the sum of its proper divisors (364183953).

874193487 is a wasteful number, since it uses less digits than its factorization.

874193487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271642.

The product of its digits is 1354752, while the sum is 51.

The square root of 874193487 is about 29566.7632147991. The cubic root of 874193487 is about 956.1716336480.

The spelling of 874193487 in words is "eight hundred seventy-four million, one hundred ninety-three thousand, four hundred eighty-seven".